Power-transmission and reversing gearing.



F. H. CRANE & 0. A. KING. POWER TRANSMISSION AND REVERSING GEARING.APPLICATION fILED MAY 7, 1908.

937,771 Patented 001;. 26, 1909.

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i; IL ll [A mvroas 2AM 97 [31M B7 Mm W M ATTORNEY F. H. CRANE & G. A.KING.

POWER TRANSMISSION AND REVERSING GEARING.

APPLICATION FILED MAY 7,1908.

937,771 Patented Oct. 26, 1909. r

3 SHEETS-SHEET 2.

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P; H. GRANE & 0. A. KING. POWER TRANSMISSION AND REVERSING GEARING.

APPLICATION PILED MAY 7, 1908.

937,771. Patented Oct. 26, 1909.

3 SHEETS-SHEET 3.

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' TTOIMEY UNITED STATES PATENT oEEIo FRANK H. CRANE, on NEW YORK, a. Y.,ANnoHAEnEs A. KING, OF JERSEY CITY,

NEW JERSEY."

POWER-TRANSMISSION AND REVERSING GEARING.

Application filed May 7, 1908.

To all whom it may concern:

Be it known that we, FRANK H. CRANE and CHARLES A. KING, each being acitizen-of the United States of America, and residents, respectively, ofthe borough of Brooklyn, city of New York, State of New York, and thecity of Jersey City, in the State of New Jersey, have invented certainnew and useful Improvements in Power-Transmission and Reversing Gearing,of which the following is a specification.

This invention relates to improvements in power-transmission andreversing gearing.

It is the purpose of the invention to provide means for driving anintermittently revolving shaft from a constantly revolving drivingshaft, in such a manner that the driven shaft will be driven positivelyand without slip either in the same direction as the driving shaft or inthe reverse direction thereto, and so that the driven shaft may beconnected with the constantly revolving driving shaft or with a memberdriven therefrom, without danger of stripping the teeth of the gears inthe driving train and without stopping the driving shaft and theinvention is especially adapted to, use with the high-speed shafts ofthe motors of power driven carriages and motor boats, but its use is notlimited thereto.

Heretofore it has been very diflicult to obtain a satisfactory directand reverse drive of a driven shaft from a high speed driving shaft,without stopping the latter. For, on the one hand, when the gearing hasbeen relied on to drive the driven shaft, there has been liability ofstripping the teeth ofv the driving gear train, and upon the other hand,when friction clutches have been employed to drive the driven shaft, aninjurious slip has resulted. But our invention permits us to usepositive non-stripping gear trains as the agency for driving the drivenshaft both in the same direction as and in the reverse direction fromthe driving shaft, without stopping the latter, and to stop, start andreverse the driven shaft without any liability to mesh when desired witha gear 29 fixed on of stripping the gear teeth.

The invention is equally applicable to. the 1' case when the driving andthe driven shafts 1 revolve at the same speed and to the case when theyrevolve at difierent speeds, but,

for the sake of simplicity of illustration and description, theaccompanying. l lIaWlHgS,

illustrate and the specification hereinafter 4 Specification of LettersPatent.

Patented Oct. 26, 1909.

Serial N0. 431,327.

describes that form of the invention in which said shafts both'revolveat the same speed.

Referring to the said drawings to aid the description, Figure 1 is aplan of apparatus embodying the invention; Fig. 2 is a section andelevation in the plane of the driving and driven shafts. Figs. 8, ayand5 are transverse'sectiona-l elevations taken respectively on the planesof the lines IIIIII; the lines IV-IV, and the lines VV of Fig. 1.

The driving shaft A is driven from any suitable motor, not shown, and isa constantly running shaft and A is the intermittently running drivenshaft in line with said shaft A. B is a counter shaft connected withshaft A by a gear train, as a, b, 0, so as to revolve at the same speedand in the same direction as said shaft A. C is a counter shaftconnected with said shaft A by a gear train, as cl, 6, so as to revolvein the reverse direction from said shaft A. F is a member of a clutch,and preferably the female member of a conical friction clutch, fixed onsaid shaft A, and G is a corresponding member of said clutch, preferablya male member of a friction clutch, sliding on and turning with saiddriven shaft A, and the shouldered collar g of said clutch member G isengaged in the usual manner by the shifting lever, or

shipper I, which is suitably pivoted on the frame. Said driven shaft Ais also provided with a member of a clutch J fixed thereon, andpreferably the female member of a conical friction clutch, and centeredon shaft B and said clutch memberK revolve v in opposite directions.Sliding on and turnmg wlth said shaft A is a'gear =0 arranged"saidjshaft C, so that when gears '0, 19 are in mesh shafts A and C willrevolve 1n opposite directions at the same speed; and sliding on and,turning with? said shaft A is another gear 1 arranged to mesh whendesired with a gear 8 meshing with a gear 2? fixed'on said shaft C, sothat when said gear 7- is in 'mesh with said gear 8 shafts A and G willrevolve in the same'direction at the same speed; and we prefer to formsaid gears 0, 1", integral with, or to firmly secure said gears to, eachother, and to provide a single collar a engaged by a shipper U sothat'said shipper may shift both said gears, 0, r, simultaneously. Inone position said gear 0 will mesh with said gear p, said gear 1' thenbeing disconnected from said gear 8, in another position said gear 7"will mesh with said gear 8, said gear 0 being then disconnected fromsaid gear p and in a third position said gears 0, 7 will be disconnectedfrom both said gears 19 and s,'and as seen in Fig. 1.

The operation isas follows: hen the clutch members F G and J K, arediscon- V nected and the gears 0, r are in the position of Fig. 1,driven shaft A will be at rest, since the motion of the constantlyrunning shaft A will then not be communicated to said shaft A fromeithercounter shaft B or counter shaft C. Now to drive shaft A in thesame direction as shaft A, clutch member G is shifted into engagementwith clutch member VF, clutch members J, K remaining disconnected, andsaid clutch members F, G now drive shaft A in the same direction at thesame speed as shaft A is revolving. Gear 0 is next shifted to mesh withgear 19 and, as its pitch line speed is the same and in the samedirection, it slips readily into mesh with said gear 29 without anydanger of stripping the teeth of either gear. 7 Now clutch member G isslacked off clutch member F, and shaft A is positively driven by gears0, p from counter shaft G in the same direction at the same speed asshaft A is revolving. To reverse shaft A the gears 0, 7'

are shifted to the position of Fig. 1, and then clutch member K isshifted into engagement with clutch member J, theteeth on gears m, nbeing long enough to permit of such motion of clutch member K withoutdisconnecting said gears m, a. 'Now shaft A is driven by said clutchmembers J, K in the opposite direction from and at the same speed asshaft A. Next gears 0, r are shifted to mesh gear 1" with gear 8, and,since said pitch line speed of said gears r, s is the same and in thesame direction, gear r slips into 1 mesh with gear .9, without anydanger of stripping the teeth of either gear. Next clutch member K isslacked off clutch member J and shaft A continues to be drivenin thedirection reverse to the revolution of shaft A by the gears 1", s, t.Said shippers, I, U, L, or any two of them may manifestly be connectedtogether so as to operate in proper relation to each othersimultaneously or in determined order.

Manifestly, as hereinbefore stated, the invention can be readilyarranged so that shaft A can be driven at different speeds from shaft A,and either in the same as or the re-.

verse direction to said shaft A.

Now having descr bed our improvements,

we claim as our invention- 1. The combination of a constantly runningshaft, a driven shaft, a clutch for temporarily driving said drivenshaft and adapted to be engaged and disengaged withoutstopping saiddriving shaft, and gearj driven shaft adapted to be operativelyconnected while said clutch is connected and to 7 remain connected aftersaid clutches are disconnected, substantially as described.

8. Thecombination of a driving shaft, a

driven shaft a clutch for driving said driven shaft temporarily in thesame direction as the driving shaft, a counter shaft and gearing adaptedto drive said driven shaft in the same direction as or the'reversedirection from said driving shaft, a clutch for temporarily driving saiddriven shaft in the reverse direction; from said driving shaft, andgearing for driving a member of said clutch, substantially as described.

4;. The combination of a driving shaft, a

driven shaft, a clutch for driving said shaft temporarily in the samedirection as the driving shaft, a counter shaft and gearing adapted todrive said driven shaft in the same direction as or the reversedirection from said drivingshaft,ca clutch for temporarily driving saiddrivenshaft in the reverse direction from said driving shaft f'a countershaft and gearing adapted to drive a member of said clutch in thereverse direction from said driving shaft, substantially as described.

5. The combination of adriving shaft,"a

driven shaft, a clutch adapted to drive said i driven shaft from and inthe same direction as said driving shaft, a 'clutchadapted to drive saiddriven shaft in the reverse direction from said driving shaft, gearingfor driving a member of said last'named clutch, and gears adapted todrive said driven shaft, when said clutches are disconnected, in thesame direction as or-the reverse direction tosaid driving shaft,substantially as described.

6. The combination of a constantly run-,

ning driving shaft, a counter-shaftand gearing for driving the sameinthe reverse direction from said driving shaft, another counter-shaft Iand gearing for driving the same in the same' 'direction as said drivingshaft, a driven shaft, a clutch for driving said driven shaft in thereverse direction from said driving shaft, gearing for driving a memberof said clutch from said last named countershaft in the reversedirection from said driving shaft, and gearing for driving said drivenshaft from said first named counter-shaft and in the reverse directionfrom said driving shaft When said clutch is disconnected, substantiallyas described.

7. The combination of a constantly running driving shaft A, a drivenshaft A, a counter-shaft B, a gear trainfor driving said counter-shaft Bfrom and in the same direction as said driving shaft A, clutch membersF, G adapted to drive said driven shaft A from and in the same directionas said driving shaft A, a counter-shaft C a gear train for driving saidcounter-shaft C from and in the reverse direction from said drivingshaft A, clutch members J, K for driving said driven shaft A in thereverse direction from said driving shaft A, a gear train operativelyconnecting clutch member K With said counter-shaft B, and gear trainsfor driving said driven shaft A from said counter-shaft C in the samedirection as and in reverse direction from said driving shaft A,substantially as described.

Signed at New York city this 25th day of April 1908.

FRANK H. CRANE.

CHAS. A. KING.

Vitnesses GEO. WV. MCKENZIE, FRED L. Gnoss.

